# 集群状态
GET _cluster/health
# 分片状态查看
GET /_cat/shards?v
# 查看unsigned 的原因
GET _cluster/allocation/explain
# 查看集群中不同节点、不同索引的状态
GET _cat/shards?h=index,shard,prirep,state,unassigned.reason
# 查看所有模板信息
GET _template
# 节点信息
GET _cat/nodes?v
# 索引信息
GET /_cat/indices?v
# 机器存储信息
GET _cat/allocation?v
# 查看索引Mapping
GET index_123/_mapping
# 查看线程池
GET /_nodes/thread_pool
# 修改索引备份个数
PUT /index_*/_settings
{
"number_of_replicas" : 1
}
# 查询索引信息，根据Source返回
POST /index_123/_search?_source=field1,field2
{}
# 查看一个node上所有segment占用的memory总和
GET /_cat/segments GET /_cat/nodes?v&h=name,port,sm GET /_cat/segments/index_123?v
# 查看ElasticsearchJVM信息
GET /_nodes/stats/jvm
# 创建索引
PUT /index_123/_doc/1
{
"a": "value1",
"b": 213,
"c": 1640762090
}
#搜索索引数据
POST /index_123/_search?from=10&size=3 POST /index_123/_search
# 删除索引
DELETE /index_*
# 删除索引
DELETE /index_123/_doc/1/_explain
# 索引备份
POST _reindex
{
"source": {
"index": "index_123"
},
"dest": {
"index": "old_index_123"
}
}
# 根据ID查询
GET /index_123/_doc/ca9c1a25-c5ee-416e-95aa-40dd9f7bd2c0
# 更新整个文档
PUT /index_123/_doc/1
{
"a": "va1",
"b": 321
}
# 更新字段
POST /index_123/_update/1?
{
"doc": {
"a": "va1",
"b": 121
}
}
# upsert插入
POST /index_123/_update/1/
{
"script": {
"source": "ctx._source.b += 1"
},
"upsert": {
"b": 1
}
}
# upsert插入
POST /index_123/_update/1
{
"script": {
"source": "ctx._source.b += 1"
},
"upsert": {
"b": 1,
"a": "sdf"
}
}
